205213102 has 8 divisors (see below), whose sum is σ = 308001096. Its totient is φ = 102546072.

The previous prime is 205213097. The next prime is 205213111. The reversal of 205213102 is 201312502.

205213102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×205213102² = 84224834464924808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25873 + ... + 32860.

It is an arithmetic number, because the mean of its divisors is an integer number (38500137).

Almost surely, 2^205213102 is an apocalyptic number.

205213102 is a deficient number, since it is larger than the sum of its proper divisors (102787994).

205213102 is a wasteful number, since it uses less digits than its factorization.

205213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60482.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 205213102 is about 14325.2609749352. The cubic root of 205213102 is about 589.8410967261.

Adding to 205213102 its reverse (201312502), we get a palindrome (406525604).

The spelling of 205213102 in words is "two hundred five million, two hundred thirteen thousand, one hundred two".